Q. Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?
  • (A) It is more than 7 metres high
  • (B) It weighs about 6000 kg
  • (C) It was built more than 1600 years ago
  • (D) It has not rusted after such a long period
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βœ… Correct Answer: (D) It has not rusted after such a long period

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Akash Lawaniya
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